Many additions and changes.

IMFHeader.cpp

@@ -10,11 +10,11 @@ namespace coreutils {
    IMFHeader::IMFHeader(PString &in) {
       key = in.getTokenInclude("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-");
       if(!in.ifNext(":")) 
-        throw core::Exception("Invalid character in expected header token.");
+        throw coreutils::Exception("Invalid character in expected header token.");
       in.skipWhitespace();
       value = in.getTokenExclude("\r\n");
       if(!in.ifNext("\r\n")) 
-        throw core::Exception("Expected CRLF.");
+        throw coreutils::Exception("Expected CRLF.");
    }
 
    IMFHeader::IMFHeader(std::string key, std::string value) {